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Verb: negate  ni'geyt
  1. Be in contradiction with
    - contradict, belie
  2. Deny the truth of
    - contradict, contravene
  3. (logic) prove negative; show to be false
    - contradict
  4. Make ineffective by counterbalancing the effect of
    "This action will negate the effect of my efforts";
    - neutralize, neutralise [Brit], nullify

Derived forms: negated, negates, negating

Type of: demonstrate, depart, deviate, differ, disagree, dissent, diverge, establish, prove, shew [Brit, archaic], show, take issue, vary, weaken

Antonym: support

Encyclopedia: Negate